Patch nix to remove nix-profile and nix-defexpr

flake.lock

@@ -330,11 +330,11 @@
         "nixpkgs": "nixpkgs_6"
       },
       "locked": {
-        "lastModified": 1622633535,
-        "narHash": "sha256-EelxH4BcFDowm5+c8Kl6wUTyvP6LhMpzoOS6r559oHo=",
+        "lastModified": 1622809115,
+        "narHash": "sha256-0lfX3ihV+5VsOs40eSzNMUSNlmH6MRqkb+VDWaJNEzw=",
         "owner": "NixOS",
         "repo": "nix",
-        "rev": "bb066409719f3b0e820115a3f89589457bf7f500",
+        "rev": "8e6ee1b9e924fbbbeb5594eb89e7a570f36ab6e1",
         "type": "github"
       },
       "original": {

machines/AMD-Workstation/default.nix

@@ -25,13 +25,15 @@
 
   secrets.wireguard-wg0 = { };
 
+  environment.sessionVariables.WINEPREFIX = "/home/balsoft/.local/share/wineprefixes/default";
+
   persist = {
     enable = true;
     cache.clean.enable = false; # Scary...
 
     state.directories = [ "/home/balsoft/.local/share/Steam" ];
 
-    derivative.directories = [ "/home/balsoft/.wine" "/home/balsoft/.wine32" ];
+    derivative.directories = [ "/home/balsoft/.local/share/wineprefixes/default" ];
   };
 
   services.ezwg = {

modules/nix/default.nix

@@ -16,7 +16,9 @@
       "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
     ];
 
-    package = inputs.nix.packages.x86_64-linux.nix;
+    package = inputs.nix.packages.x86_64-linux.nix.overrideAttrs (oa: {
+      patches = [./nix.patch] ++ oa.patches or [];
+    });
 
     extraOptions = ''
       experimental-features = nix-command flakes

modules/nix/nix.patch

@@ -0,0 +1,42 @@
+diff --git a/src/libstore/profiles.cc b/src/libstore/profiles.cc
+index 5d1723886..4f2e4f5db 100644
+--- a/src/libstore/profiles.cc
++++ b/src/libstore/profiles.cc
+@@ -250,13 +250,6 @@ Path getDefaultProfile()
+ {
+     Path profileLink = getHome() + "/.nix-profile";
+     try {
+-        if (!pathExists(profileLink)) {
+-            replaceSymlink(
+-                getuid() == 0
+-                ? settings.nixStateDir + "/profiles/default"
+-                : fmt("%s/profiles/per-user/%s/profile", settings.nixStateDir, getUserName()),
+-                profileLink);
+-        }
+         return absPath(readLink(profileLink), dirOf(profileLink));
+     } catch (Error &) {
+         return profileLink;
+diff --git a/src/nix-env/nix-env.cc b/src/nix-env/nix-env.cc
+index e04954d45..5649bd01a 100644
+--- a/src/nix-env/nix-env.cc
++++ b/src/nix-env/nix-env.cc
+@@ -1336,19 +1336,6 @@ static int main_nix_env(int argc, char * * argv)
+         globals.instSource.nixExprPath = getHome() + "/.nix-defexpr";
+         globals.instSource.systemFilter = "*";
+ 
+-        if (!pathExists(globals.instSource.nixExprPath)) {
+-            try {
+-                createDirs(globals.instSource.nixExprPath);
+-                replaceSymlink(
+-                    fmt("%s/profiles/per-user/%s/channels", settings.nixStateDir, getUserName()),
+-                    globals.instSource.nixExprPath + "/channels");
+-                if (getuid() != 0)
+-                    replaceSymlink(
+-                        fmt("%s/profiles/per-user/root/channels", settings.nixStateDir),
+-                        globals.instSource.nixExprPath + "/channels_root");
+-            } catch (Error &) { }
+-        }
+-
+         globals.dryRun = false;
+         globals.preserveInstalled = false;
+         globals.removeAll = false;